KR20100004224A - Organic light emitting display - Google Patents

Abstract

PURPOSE: An organic light emitting display is provided to simplify a manufacturing process by forming a first barrier with a material included in a color filter. CONSTITUTION: A first substrate(110) and a second substrate(150) are bond. A unit element(130) is arranged on the first substrate. A color filter(160) is arranged on the first substrate or the second substrate. The color filter includes a black matrix, a color conversion layer or an over-coating layer. The color conversion layer includes a red, a green, and a blue color conversion layer. The over - coating layer is formed on the black matrix and the color switch layer. A first barrier(170) is formed on the circumference of the unit element. The first barrier is formed with at least one material included in the color filter.

Description

Organic Light Emitting Display

The present invention relates to an organic light emitting display device.

The organic light emitting display device used in the organic light emitting display device was a self-light emitting device having a light emitting layer formed between two electrodes.

In addition, organic light emitting display devices include a top emission method and a bottom emission method according to a direction in which light is emitted, and a passive matrix type and an active matrix depending on a driving method. Active Matrix, etc.

The organic light emitting display device has a disadvantage in that deterioration is easily caused by external factors such as moisture, oxygen, ultraviolet rays, and manufacturing conditions of the device penetrated from the outside. In particular, since oxygen and moisture penetrated from the outside have a fatal effect on the life of the device, the sealing process of the organic light emitting display device is very important.

Conventionally, although the sealing substrate and the adhesive member are used to seal the organic light emitting display device, there is a need for an alternative to solve the problem that the reliability of the device is not solved due to moisture or oxygen penetrated from the outside.

An object of the present invention for solving the above problems of the background art is to block the penetration path with at least one of the materials used in the manufacture of the substrate to protect the device from moisture, gas, and the like penetrated from the outside, while also providing a hygroscopic function. It is to provide an organic light emitting display device that can form a partition to improve the life and reliability.

The present invention as a means for solving the above problems, the first substrate; A second substrate bonded to the first substrate; A unit device unit positioned on the first substrate; A color filter unit on the first substrate or the second substrate; And a first partition formed on at least one of the materials included in the color filter unit and positioned outside the unit device unit.

The color filter unit may include a color conversion layer having the same color as the color of light emitted from the unit device unit or a color conversion layer having a color different from the color of the light emitted from the unit device unit.

The color filter unit may include a black matrix, a color conversion layer including red, green, and blue located between the black matrix, and an overcoating layer positioned on the black matrix and the color conversion layer.

The dummy filter layer formed on at least one of an organic layer and an inorganic layer may be disposed on the color filter unit and the first partition wall.

The second substrate may include a second barrier rib formed on at least one of the materials included in the unit element part and positioned separately from the first barrier rib.

At least one of the first and second partition walls may be formed to surround the unit device unit.

At least one of the first and second partition walls may be formed in plural.

The unit device unit may include a plurality of subpixels arranged in a matrix form, and the plurality of subpixels may emit three or more colors including white or red, green, and blue.

The plurality of subpixels may have a stack structure in which two or more light emitting layers are stacked to emit white light.

When the color filter unit is positioned on the first substrate, the unit element unit may be positioned on the buffer layer positioned on the color filter unit.

The present invention, to protect the device from moisture, gas, etc. that penetrates from the outside to block the penetration path with at least one of the materials used in the manufacturing of the substrate, and to form a partition wall capable of hygroscopic function to improve the life and reliability It is effective to provide an organic light emitting display device.

Hereinafter, with reference to the accompanying drawings, the specific content for the practice of the present invention will be described.

First Embodiment

1 is a schematic cross-sectional view of an organic light emitting display device according to a first embodiment of the present invention.

As shown in FIG. 1, the organic light emitting display device according to the first exemplary embodiment of the present invention includes a first substrate 110, a second substrate 150 bonded to the first substrate 110, and a first substrate. At least one of a material included in the color filter unit 160 and the color filter unit 160 on the second substrate 150 and the outer portion of the unit element unit 130 is located in the outer It may include a first partition wall 170 formed. Here, the first substrate 110 and the second substrate 150 may be bonded by the adhesive member 190 formed on the outer side of the first partition wall 170.

The color filter unit 160 includes a black matrix 161, a color conversion layer 162 including red, green, and blue positioned between the black matrix 161, the black matrix 161, and the color conversion layer 162. It may include an overcoat layer 163 located on the).

The color conversion layer 162 included in the color filter unit 160 may have a color different from the color of the light emitted from the color conversion layer 162 or the unit device unit having the same color as the light emitted from the unit device unit 130. It may include a color conversion layer 162 having a.

When using the color conversion layer 162 having the same color as the light emitted from the unit device unit 130, the color conversion layer 162 may improve the color reproducibility of the light emitted from the unit device unit 130. have. In such a structure, the subpixels included in the unit device unit 130 may emit three or more colors including red, green, and blue. This is described in more detail below.

On the other hand, when using the color conversion layer 162 having a color different from the color of the light emitted from the unit device unit 130, the color conversion layer 162 is a color different from the light emitted from the unit device unit 130 Can be switched to light. In such a structure, the subpixel included in the unit device unit 130 may emit light of one color, for example, white. When the sub pixel emits white light, the organic light emitting layer included in the sub pixel may emit white light as a stack structure in which two or more light emitting layers are stacked. Description of this will be described in more detail below.

The first partition wall 170 is formed of at least one of materials included in the color filter unit 160. The first layer 171 included in the first partition wall 170 may be formed of the same material as the black matrix 161. In addition, in the case of the second layer 172 to the fourth layer 174 included in the first partition wall 170, the same material as the red, green, and blue conversion layers included in the color conversion layer 162 may be formed. . The fifth layer 175 included in the first partition wall 170 may be formed of the same material as the overcoat layer 163. The first partition wall 170 may be formed to surround the unit element unit 130 in a form of opening a part of the unit element unit 130 or may surround the entire unit element unit 130.

When the color filter unit 160 is formed on the second substrate 150 as described above, the first partition wall 170 is formed using the material included in the color filter unit 160 and the adhesive member 190 is formed. When the first substrate 110 and the second substrate 150 are bonded together, it is possible to block the penetration path of the outside air, thereby improving the life and reliability of the device. In addition, when the color filter unit 160 is formed, the first partition wall 170 is formed by using the material included in the color filter unit 160, thereby facilitating a manufacturing process.

Here, the first embodiment of the present invention has an example in which the first partition wall 170 is formed in a stack structure by a material included in the color filter unit 160.

The sub-pixel included in the unit soba 130 may be formed of at least one of a lower light emitting method emitting light toward the first substrate 110 and an upper light emitting method emitting light toward the second substrate 150. One sub-pixel included in the unit device unit 130 includes an active type including a transistor, a capacitor, and an organic light emitting diode on the first substrate 110 and an organic light emitting diode on the first substrate 110. It may be formed as one of the passive type.

Hereinafter, the structure of the active subpixel will be described with reference to FIG. 2.

FIG. 2 is an exemplary diagram of a subpixel illustrated in region P of FIG. 1.

Referring to FIG. 2, the subpixel may include a gate 112 positioned on the first substrate 110. In addition, a first insulating layer 113 may be included on the gate 112. In addition, the active layer 114 may be disposed on the first insulating layer 113 corresponding to the gate 112. In addition, the semiconductor device may include a source 115a and a drain 115b positioned on the active layer 114. In addition, the second insulating layer 116 may be disposed on the source 115a and the drain 115b. In addition, the third insulating layer 117 may be disposed on the second insulating layer 116. In addition, an auxiliary electrode 118 is disposed on the third insulating layer 117 and connected to the source 115a or the drain 115b. In addition, the first electrode 119 may be disposed on the auxiliary electrode 118. In addition, it may include a bank layer 120 positioned on the first electrode 119 and having an opening. In addition, the organic light emitting layer 122 may be disposed on the first electrode 119. In addition, the organic light emitting layer 122 may include a second electrode 123 positioned on the organic emission layer 122.

The subpixel structure described above shows a general structure in which both a transistor and an organic light emitting diode are formed on the first substrate 110. In the above description, the transistor has a batam gate type in which the gate 112 is positioned below the active layer 114 as an example, but the transistor is a top gate type in which the gate 112 is positioned above the active layer 114. It may be formed.

Meanwhile, the structure of the organic light emitting diode included in the subpixel may be as follows.

3 is an exemplary diagram of an organic light emitting diode, and FIG. 4 is another exemplary diagram of an organic light emitting diode. 3 is an exemplary diagram for describing a case in which the above-described subpixel included in the unit device unit emits three or more colors, and FIG. 4 illustrates a single color of the subpixel included in the unit device unit described above. For example, it is an illustration for explaining the case of a structure that emits white light.

First, referring to FIG. 3, the organic light emitting diode included in the subpixel includes the first electrode 119, the hole injection layer 122a, the hole transport layer 122b, the light emitting layer 122c, and the electron transport layer 122d. It may include 122e and a second electrode 123. 120 is a bank layer.

The hole injection layer 122a may play a role of smoothly injecting holes. CuPc (cupper phthalocyanine), PEDOT (poly (3,4) -ethylenedioxythiophene), PANI (polyaniline), and NPD (N, N-dinaphthyl) -N, N'-diphenyl benzidine) may be composed of any one or more selected from the group consisting of, but is not limited thereto. The hole injection layer 122a may be formed using an evaporation method or a spin coating method.

The hole transport layer 122b serves to facilitate the transport of holes, NPD (N, N-dinaphthyl-N, N'-diphenyl benzidine), TPD (N, N'-bis- (3-methylphenyl) -N , N'-bis- (phenyl) -benzidine), s-TAD and MTDATA (4,4 ', 4 "-Tris (N-3-methylphenyl-N-phenyl-amino) -triphenylamine) The hole transport layer 122b may be formed using an evaporation method or a spin coating method.

The emission layer 122c may be formed of a material emitting red, green, blue, and white light, and may be formed using phosphorescent or fluorescent materials.

When the light emitting layer 122c is red, it includes a host material including CBP (carbazole biphenyl) or mCP (1,3-bis (carbazol-9-yl), and PIQIr (acac) (bis (1-phenylisoquinoline) acetylacetonate Phosphorescent light containing a dopant including any one or more selected from the group consisting of iridium), PQIr (acac) (bis (1-phenylquinoline) acetylacetonate iridium), PQIr (tris (1-phenylquinoline) iridium) and PtOEP (octaethylporphyrin platinum) It may be made of a material, alternatively may be made of a fluorescent material including PBD: Eu (DBM) 3 (Phen) or perylene, but is not limited thereto.

When the light emitting layer 122c is green, it includes a host material including CBP or mCP, and may be made of a phosphor including a dopant material including Ir (ppy) 3 (fac tris (2-phenylpyridine) iridium). Alternatively, the composition may be made of a fluorescent material including Alq3 (tris (8-hydroxyquinolino) aluminum), but is not limited thereto.

When the emission layer 122c is blue, the light emitting layer 122c may include a host material including CBP or mCP, and may be made of a phosphor including a dopant material including (4,6-F2ppy) 2Irpic.

Alternatively, it may be made of a fluorescent material including any one selected from the group consisting of spiro-DPVBi, spiro-6P, distilbenzene (DSB), distriarylene (DSA), PFO-based polymer and PPV-based polymer, but It is not limited.

The electron transport layer 122d serves to facilitate electron transport, and may be made of any one or more selected from the group consisting of Alq3 (tris (8-hydroxyquinolino) aluminum), PBD, TAZ, spiro-PBD, BAlq, and SAlq. However, the present invention is not limited thereto. The electron transport layer 122d may be formed using an evaporation method or a spin coating method.

The electron injection layer 122e serves to facilitate the injection of electrons, and may be Alq3 (tris (8-hydroxyquinolino) aluminum), PBD, TAZ, spiro-PBD, BAlq or SAlq, but is not limited thereto. The electron injection layer 122e may form an organic material and an inorganic material constituting the electron injection layer by vacuum deposition.

Here, the hole injection layer 122a or the electron injection layer 122e may further include an inorganic material, and the inorganic material may further include a metal compound. The metal compound may include an alkali metal or an alkaline earth metal. Metal compound including an alkali metal or alkaline earth metal LiQ, LiF, NaF, KF, RbF, CsF, FrF, BeF 2, MgF 2, CaF 2, SrF 2, BaF any one selected from the group consisting of ₂ and RaF ₂ or more But it is not limited thereto.

That is, the inorganic material in the electron injection layer 122e facilitates hopping of electrons injected from the second electrode 123 into the light emitting layer 122c to balance the holes and electrons injected into the light emitting layer 122c. The luminous efficiency can be improved. In addition, the inorganic material in the hole injection layer 122a reduces the mobility of the holes injected from the first electrode 119 to the light emitting layer 122c, thereby improving the luminous efficiency by balancing the holes and electrons injected into the light emitting layer 122c. You can.

Here, the present invention is not limited to FIG. 3, and at least one of the hole injection layer 122a, the hole transport layer 122b, the electron transport layer 122d, and the electron injection layer 122e may be omitted.

In contrast, referring to FIG. 4, the organic light emitting diode included in the sub-pixel includes the hole injection layer 122a, the hole transport layer 122b, the red light emitting layer 122c, the electron transport layer 122d, and the first electrode 119. The buffer layer 122e, the hole injection layer 122f, the hole transport layer 122g, the green light emitting layer 122h, the blue light emitting layer 122i, the electron transport layer 122j, and the second electrode 123 may be included. The organic emission layer 122 formed on the first electrode 119 has a stack structure. However, this is only an example and is not limited thereto. 120 is a bank layer.

DETAILED DESCRIPTION OF EMBODIMENTS Hereinafter, modified embodiments of the present invention will be described, but like reference numerals designate like elements, and feature features are described above in order to avoid duplication of description.

Second Embodiment

5 is a schematic cross-sectional view of an organic light emitting display device according to a second embodiment of the present invention.

As shown in FIG. 5, the organic light emitting display device according to the second exemplary embodiment of the present invention is formed on the first substrate 110, the second substrate 150 bonded to the first substrate 110, and the first substrate. At least one of a material included in the color filter unit 160 and the color filter unit 160 on the second substrate 150 and the outer portion of the unit element unit 130 is located in the outer It may include a first partition wall 170 formed. Here, the first substrate 110 and the second substrate 150 may be bonded by the adhesive member 190 formed on the outer side of the first partition wall 170.

The first partition wall 170 is formed of at least one of materials included in the color filter unit 160. The first layer 171 included in the first partition wall 170 may be formed of the same material as the black matrix 161. In addition, in the case of the second layer 172 to the fourth layer 174 included in the first partition wall 170, the same material as the red, green, and blue conversion layers included in the color conversion layer 162 may be formed. . The fifth layer 175 included in the first partition wall 170 may be formed of the same material as the overcoat layer 163. The first partition wall 170 may be formed to surround the unit device unit 130 in a form of opening a portion of the unit device unit 130 or may surround the entire unit device unit 130.

When the color filter unit 160 is formed on the second substrate 150 as described above, the first partition wall 170 is formed using the material included in the color filter unit 160 and the adhesive member 190 is formed. When the first substrate 110 and the second substrate 150 are bonded together, it is possible to block the penetration path of the outside air, thereby improving the life and reliability of the device. In addition, when the color filter unit 160 is formed, the first partition wall 170 is formed by using the material included in the color filter unit 160, thereby providing ease in the manufacturing process.

Here, in the second embodiment of the present invention, some of the layers 171 and 172 are formed in a stack structure by the material included in the color filter unit 160 in the first partition wall 170 and the other layers 173. , 174 is formed in a stack structure biased to one side, and the remaining part of the layer 175 is formed to cover all of the previously formed layers 171, 172, 173, 174.

The subpixel structure included in the second embodiment may be formed to emit white light or emit three or more colors including red, green, and blue, as in the first embodiment.

When the color filter unit 160 is formed on the second substrate 150 as described above, the first partition wall 170 is formed using the material included in the color filter unit 160 and the adhesive member 190 is formed. When the first substrate 110 and the second substrate 150 are bonded together, it is possible to block the penetration path of the outside air, thereby improving the life and reliability of the device. In addition, when the color filter unit 160 is formed, the first partition wall 170 is formed by using the material included in the color filter unit 160, thereby providing ease of manufacturing process.

Third Embodiment

6 is a schematic cross-sectional view of an organic light emitting display device according to a third embodiment of the present invention.

As shown in FIG. 6, the organic light emitting display device according to the third exemplary embodiment of the present invention is provided on the first substrate 110, the second substrate 150 bonded to the first substrate 110, and the first substrate. At least one of a material included in the color filter unit 160 and the color filter unit 160 on the second substrate 150 and the outer portion of the unit element unit 130 is located in the outer It may include a first partition wall 170 formed. In addition, the semiconductor substrate may include a dummy thin film layer 181 disposed on the second substrate 150 and formed of an organic layer to cover both the color filter unit 160 and the first partition wall 170. Here, the first substrate 110 and the second substrate 150 may be bonded by the adhesive member 190 formed on the outer side of the first partition wall 170.

The first partition wall 170 is formed of at least one of materials included in the color filter unit 160. The first layer 171 included in the first partition wall 170 may be formed of the same material as the black matrix 161. In addition, in the case of the second layer 172 to the fourth layer 174 included in the first partition wall 170, the same material as the red, green, and blue conversion layers included in the color conversion layer 162 may be formed. . The fifth layer 175 included in the first partition wall 170 may be formed of the same material as the overcoat layer 163. The first partition wall 170 may be formed to surround the unit device unit 130 in a form of opening a part of the unit device unit 130 or may surround the whole of the unit device unit 130.

When the color filter unit 160 is formed on the second substrate 150 as described above, the first partition wall 170 is formed using the material included in the color filter unit 160 and the adhesive member 190 is formed. When the first substrate 110 and the second substrate 150 are bonded together, it is possible to block the penetration path of the outside air, thereby improving the life and reliability of the device. In addition, when the color filter unit 160 is formed, the first partition wall 170 is formed by using the material included in the color filter unit 160, thereby providing ease in the manufacturing process.

Here, in the third embodiment of the present invention, some of the layers 171 and 172 are formed in a stack structure by the material included in the color filter unit 160 in the first partition 170 and the other layers 173. , 174 is formed in a stack structure biased to one side, and the remaining part of the layer 175 is formed to cover all of the previously formed layers 171, 172, 173, 174. In addition, the dummy thin film layer 181 formed of the organic film is formed to cover both the color filter unit 160 and the first partition wall 170 as an example of the structure in which the absorption role by the organic film is added.

The subpixel structure included in the third embodiment may also be formed to emit white light or emit three or more colors including red, green, and blue, as in the first embodiment.

When the color filter unit 160 is formed on the second substrate 150 as described above, the first partition wall 170 is formed using the material included in the color filter unit 160 and the adhesive member 190 is formed. When the first substrate 110 and the second substrate 150 are bonded together, it is possible to block the penetration path of the outside air, thereby improving the life and reliability of the device. In addition, when the color filter unit 160 is formed, the first partition wall 170 is formed by using the material included in the color filter unit 160, thereby facilitating a manufacturing process. In addition, moisture or oxygen may be absorbed by the dummy thin film layer 181 formed of an organic film.

Fourth Embodiment

7 is a schematic cross-sectional view of an organic light emitting display device according to a fourth embodiment of the present invention.

As shown in FIG. 7, the organic light emitting display device according to the fourth exemplary embodiment of the present invention is provided on the first substrate 110, the second substrate 150 bonded to the first substrate 110, and the first substrate. At least one of a material included in the color filter unit 160 and the color filter unit 160 on the second substrate 150 and the outer portion of the unit element unit 130 is located in the outer It may include a first partition wall 170 formed. In addition, the second substrate 150 may include a dummy thin film layer 182 formed of an inorganic film so as to cover both the color filter unit 160 and the first partition wall 170. Here, the first substrate 110 and the second substrate 150 may be bonded by the adhesive member 190 formed on the outer side of the first partition wall 170.

The first partition wall 170 is formed of at least one of materials included in the color filter unit 160. The first layer 171 included in the first partition wall 170 may be formed of the same material as the black matrix 161. In addition, in the case of the second layer 172 to the fourth layer 174 included in the first partition wall 170, the same material as the red, green, and blue conversion layers included in the color conversion layer 162 may be formed. . The fifth layer 175 included in the first partition wall 170 may be formed of the same material as the overcoat layer 163. The first partition wall 170 may be formed to surround the unit element unit 130 in a form of opening a part of the unit element unit 130 or may surround the entire unit element unit 130.

When the color filter unit 160 is formed on the second substrate 150 as described above, the first partition wall 170 is formed using the material included in the color filter unit 160 and the adhesive member 190 is formed. When the first substrate 110 and the second substrate 150 are bonded together, it is possible to block the penetration path of the outside air, thereby improving the life and reliability of the device. In addition, when the color filter unit 160 is formed, the first partition wall 170 is formed by using the material included in the color filter unit 160, thereby providing ease in the manufacturing process.

Here, in the fourth embodiment of the present invention, some of the layers 171 and 172 are formed in a stack structure by the material included in the color filter unit 160 in the first partition wall 170 and the other layers 173. , 174 is formed in a stack structure biased to one side, and the remaining part of the layer 175 is formed to cover all of the previously formed layers 171, 172, 173, 174. In addition, since the dummy thin film layer 182 formed of the inorganic film is formed to cover both the color filter unit 160 and the first partition wall 170, outgassing generated from the material included in the color filter unit 160 is performed. An example is a structure that can minimize the effects of gassing.

The subpixel structure included in the fourth embodiment may also be formed to emit white or emit three or more colors including red, green, and blue, as in the first embodiment.

When the color filter unit 160 is formed on the second substrate 150 as described above, the first partition wall 170 is formed using the material included in the color filter unit 160 and the adhesive member 190 is formed. When the first substrate 110 and the second substrate 150 are bonded together, it is possible to block the penetration path of the outside air, thereby improving the life and reliability of the device. In addition, when the color filter unit 160 is formed, the first partition wall 170 is formed by using the material included in the color filter unit 160, thereby facilitating a manufacturing process. In addition, the out-gassing problem generated from the material included in the color filter unit 160 may be solved by the dummy thin film layer 182 formed of the inorganic film.

Fifth Embodiment

8 is a schematic cross-sectional view of an organic light emitting display device according to a fifth embodiment of the present invention.

As shown in FIG. 8, the organic light emitting display device according to the fifth embodiment of the present invention includes a first substrate 110, a second substrate 150 bonded to the first substrate 110, and a first substrate. At least one of a material included in the color filter unit 160 and the color filter unit 160 on the second substrate 150 and the outer portion of the unit element unit 130 is located in the outer It may include a first partition wall 170 formed. In addition, the second dummy thin film layer 182 and the second dummy thin film layer 182 formed on the second substrate 150 and formed of an inorganic film to cover both the color filter unit 160 and the first partition wall 170 are covered. The first dummy thin film layer 181 may be formed of an organic film. Here, the first substrate 110 and the second substrate 150 may be bonded by the adhesive member 190 formed on the outer side of the first partition wall 170.

The first partition wall 170 is formed of at least one of materials included in the color filter unit 160. The first layer 171 included in the first partition wall 170 may be formed of the same material as the black matrix 161. In addition, in the case of the second layer 172 to the fourth layer 174 included in the first partition wall 170, the same material as the red, green, and blue conversion layers included in the color conversion layer 162 may be formed. . The fifth layer 175 included in the first partition wall 170 may be formed of the same material as the overcoat layer 163. The first partition wall 170 may be formed to surround the unit element unit 130 in a form of opening a part of the unit element unit 130 or may surround the entire unit element unit 130.

When the color filter unit 160 is formed on the second substrate 150 as described above, the first partition wall 170 is formed using the material included in the color filter unit 160 and the adhesive member 190 is formed. When the first substrate 110 and the second substrate 150 are bonded together, it is possible to block the penetration path of the outside air, thereby improving the life and reliability of the device. In addition, when the color filter unit 160 is formed, the first partition wall 170 is formed by using the material included in the color filter unit 160, thereby providing ease in the manufacturing process.

Here, in the fifth embodiment of the present invention, some of the layers 171 and 172 are formed in a stack structure by the material included in the color filter unit 160 of the first partition wall 170 and the other layers 173. , 174 is formed in a stack structure biased to one side, and the remaining part of the layer 175 is formed to cover all of the previously formed layers 171, 172, 173, 174. In addition, as the second dummy thin film layer 182 formed of the inorganic layer is formed to cover both the color filter unit 160 and the first partition wall 170, outgassing generated from the material included in the color filter unit 160. The effects of out-gassing can be minimized. In addition, as the first dummy thin film layer 181 formed of the organic film is formed to cover all of the second dummy thin film layer 182, a moisture absorption role by the organic film may be added.

The subpixel structure included in the fifth embodiment may also be formed to emit white light or emit three or more colors including red, green, and blue, as in the first embodiment.

When the color filter unit 160 is formed on the second substrate 150 as described above, the first partition wall 170 is formed using the material included in the color filter unit 160 and the adhesive member 190 is formed. When the first substrate 110 and the second substrate 150 are bonded together, it is possible to block the penetration path of the outside air, thereby improving the life and reliability of the device. In addition, when the color filter unit 160 is formed, the first partition wall 170 is formed by using the material included in the color filter unit 160, thereby facilitating a manufacturing process. In addition, the second dummy thin film layer 182 formed of the inorganic film may solve the out-gassing problem generated from the material included in the color filter unit 160, and may also solve the first dummy thin film layer formed of the organic film ( 181) can also absorb moisture and oxygen.

Sixth Embodiment

9 is a schematic cross-sectional view of an organic light emitting display device according to a sixth embodiment of the present invention.

As shown in FIG. 9, the organic light emitting display device according to the sixth exemplary embodiment of the present invention is provided on the first substrate 110, the second substrate 150 bonded to the first substrate 110, and the first substrate. At least one of a material included in the color filter unit 160 and the color filter unit 160 on the second substrate 150 and the outer portion of the unit element unit 130 is located in the outer It may include a first partition wall 170 formed. In addition, the first dummy thin film layer 181 and the first dummy thin film layer 181 formed on the second substrate 150 and formed of an organic film to cover both the color filter unit 160 and the first partition wall 170 are covered. And a second dummy thin film layer 182 formed of an inorganic film. Here, the first substrate 110 and the second substrate 150 may be bonded by the adhesive member 190 formed on the outer side of the first partition wall 170.

The sixth embodiment is similar to the fifth embodiment except that the materials of the first dummy thin film layer 181 and the second dummy thin film layer 182 are different.

Seventh Embodiment

10 and 11 are schematic cross-sectional views of an organic light emitting display device according to a seventh embodiment of the present invention. 10 is a sectional view before bonding and FIG. 11 is a sectional view after bonding.

As shown in FIGS. 10 and 11, the organic light emitting display device according to the seventh exemplary embodiment of the present invention includes a first substrate 110, a second substrate 150 bonded to the first substrate 110, and a first substrate. Materials included in the color filter unit 160 located on the substrate, the unit element unit 130 located on the substrate, the color filter unit 160 located on the second substrate 150, and the unit element unit 130. It may include a first partition wall 170 formed of at least one. In addition, the second partition wall 140 may be separated from the first partition wall 170 on the first substrate and formed of at least one of materials included in the unit device unit 130. Here, the first substrate 110 and the second substrate 150 may be bonded by the adhesive member 190 formed on the outer side of the first partition wall 170.

The first partition wall 170 is formed of at least one of materials included in the color filter unit 160. The first layer 171 included in the first partition wall 170 may be formed of the same material as the black matrix 161. In addition, in the case of the second layer 172 to the fourth layer 174 included in the first partition wall 170, the same material as the red, green, and blue conversion layers included in the color conversion layer 162 may be formed. . The fifth layer 175 included in the first partition wall 170 may be formed of the same material as the overcoat layer 163.

The second partition wall 140 is formed of at least one of materials included in the unit device unit 130. The first layer 141 included in the second partition wall 170 may be formed of the same material as the gate 112 illustrated in FIG. 2. In addition, the second layer 142 included in the second partition wall 140 may be formed of the same material as the source 115a and the drain 115b of FIG. 2. In addition, the third layer 143 included in the second partition wall 140 may be formed of the same material as the first electrode 119 or the second electrode 123 illustrated in FIG. 2.

However, in contrast, at least one of the layers 141, 142, and 143 included in the second partition wall 140 may have the first insulating layer 113, the second insulating layer 116, or the third insulating layer 117 shown in FIG. 2. It may be formed of the same material as.

At least one of the first and second partition walls 170 and 140 may be formed to surround the unit element unit 130 in a form of opening a portion of the unit element unit 130, or may include all of the unit element units 130. It may be formed to surround.

As such, the first barrier rib 170 is formed on the second substrate 150, and the second barrier rib 140 is formed on the first substrate 110 to form the first substrate 110 and the second substrate as the adhesive member 190. When the substrate 150 is bonded, it is possible to block the penetration path of the outside air, thereby improving the life and reliability of the device. In addition, when the color filter unit 160 is formed, the first partition wall 170 may be formed using a material included in the color filter unit 160, and when the unit element unit 130 is formed, the unit may be Since the second partition wall 140 may be formed using a material included in the device unit 130, the manufacturing process may be easily provided.

Here, in the seventh exemplary embodiment of the present invention, the first partition wall 170 covers the partial region by the material included in the color filter unit 160 and the upper layer. An example of 175 is formed to cover all of some of the layers 172, 173, and 174. In addition, as an example, the second partition wall 140 is formed such that each of the layers 141, 142, and 143 covers a partial region by a material included in the unit device unit 130.

The structure of the sub-pixel included in the seventh embodiment may be formed to emit white color or emit three or more colors including red, green, and blue, as in the first embodiment.

When the color filter unit 160 is formed on the second substrate 150 as described above, the first partition wall 170 is formed using the material included in the color filter unit 160 and the unit element unit 130 is formed on the second substrate 150. Forming the second partition wall 140 using the included material and bonding the first substrate 110 and the second substrate 150 with the adhesive member 190, it is possible to block the penetration path of the outside air, the life of the device And reliability can be improved. In addition, when the color filter unit 160 is formed, the first partition wall 170 is formed using a material included in the color filter unit 160, and a material is formed using the material included in the unit element unit 130. Since the second partition wall 140 can be formed, it is possible to provide the ease of the manufacturing process.

In the following embodiment, the configuration of the color filter unit, the first partition wall and the second partition wall will be briefly described and only the modified parts will be described.

Eighth Embodiment

12 and 13 are schematic cross-sectional views of an organic light emitting display device according to an eighth embodiment of the present invention. 12 is a sectional view before bonding and FIG. 13 is a sectional view after bonding.

12 and 13, the organic light emitting display device according to the eighth embodiment of the present invention includes a first substrate 110, a second substrate 150 bonded to the first substrate 110, and a first substrate. Materials included in the color filter unit 160 located on the substrate, the unit element unit 130 located on the substrate, the color filter unit 160 located on the second substrate 150, and the unit element unit 130. It may include two first partition walls (170a, 170b) formed of at least one. In addition, the second barrier rib 140 may be formed on at least one of the first barrier ribs 170a and 170b on the first substrate and formed of at least one material included in the unit device unit 130. Here, the first substrate 110 and the second substrate 150 may be bonded by the adhesive member 190 formed inside the two first partition walls 170a and 170b.

As such, when a plurality of first barrier ribs 170a and 170b are formed and the second barrier rib 140 is formed to be inserted between the first barrier ribs 170a and 170b, the moisture permeable path of the outside air may be formed longer. Can be.

<Example 9>

14 is a schematic cross-sectional view of an organic light emitting display device according to a ninth embodiment of the present invention.

As shown in FIG. 14, the organic light emitting display device according to the ninth exemplary embodiment of the present invention is formed on the first substrate 110, the second substrate 150 bonded to the first substrate 110, and the first substrate. At least one of a material included in the color filter unit 160 and the color filter unit 160 on the second substrate 150 and the outer portion of the unit element unit 130 is located in the outer The plurality of first partition walls 170a and 170b may be formed. In addition, the second barrier rib 140 may be formed on at least one of the first barrier ribs 170a and 170b on the first substrate and formed of at least one material included in the unit device unit 130. Here, the first substrate 110 and the second substrate 150 may be vacuum-bonded by using the two first partition walls 170a and 170b and the second partition wall 140 as spacers without using an adhesive member.

As such, when a plurality of first barrier ribs 170a and 170b are formed and the second barrier rib 140 is inserted between the first barrier ribs 170a and 170b, the moisture permeable path of the outside air can be formed longer. have.

Tenth Embodiment

15 and 16 are schematic cross-sectional views of an organic light emitting display device according to a tenth embodiment of the present invention. 15 is a sectional view before bonding and FIG. 16 is a sectional view after bonding.

As shown in FIGS. 15 and 16, the organic light emitting display device according to the tenth exemplary embodiment of the present invention may include a first substrate 110, a second substrate 150 and a first substrate bonded to the first substrate 110. Materials included in the color filter unit 160 located on the substrate, the unit element unit 130 located on the substrate, the color filter unit 160 located on the second substrate 150, and the unit element unit 130. It may include a first partition wall 170 formed of at least one. In addition, the plurality of second partition walls 140a and 140b may be disposed on the first substrate 110 to be separated from the first partition wall 170 and formed of at least one material included in the unit device unit 130. Here, the first substrate 110 and the second substrate 150 may be bonded by the adhesive member 190 formed inside the two second partition walls 140a and 140b.

As such, when a plurality of second partitions 140a and 140b are formed and the first partition 170 is inserted between the second partitions 140a and 140b, the moisture permeable path of the outside air can be formed longer. have.

<Eleventh embodiment>

17 is a schematic cross-sectional view of an organic light emitting display device according to an eleventh embodiment of the present invention.

As shown in FIG. 17, the organic light emitting display device according to the eleventh exemplary embodiment of the present invention may include a first substrate 110, a second substrate 150 bonded to the first substrate 110, and a first substrate. At least one of materials included in the color filter unit 160 and the color filter unit 160 and the color filter unit 160 located on the second substrate 150 and the outside of the unit element 130 is located on the second substrate 150 It may include a first partition wall 170 formed. In addition, the plurality of second partition walls 140a and 140b may be disposed on the first substrate 110 to be separated from the first partition wall 170 and formed of at least one material included in the unit device unit 130. Here, the first substrate 110 and the second substrate 150 may be vacuum-bonded by using two second partition walls 140a and 140b and the first partition wall 170 as spacers without using an adhesive member.

As such, when a plurality of second barrier ribs 140a and 140b are formed and the first barrier rib 170 is inserted between the second barrier ribs 140a and 140b, the moisture permeable path of the outside air can be formed longer. have.

Hereinafter, a modified embodiment of the first and second partitions will be described.

<Twelfth Example>

18 and 19 are schematic cross-sectional views of an organic light emitting display device according to a twelfth embodiment of the present invention. 18 is a sectional view before bonding and FIG. 19 is a sectional view after bonding.

18 and 19, the organic light emitting display device according to the twelfth embodiment of the present invention may include two first partition walls 170a and 170b formed of at least one of materials included in the color filter unit. have. In addition, the first substrate 110 may include three second partition walls 140a, 140b, and 140c, which are separated from the two first partition walls 170a and 170b and are formed of at least one of materials included in the unit element portion. Can be. Here, the first substrate 110 and the second substrate 150 may be bonded by the adhesive member 190 formed inside the three second partition walls 140a and 140b.

As such, when a plurality of first barrier ribs 170a and 170b and a plurality of second barrier ribs 140a, 140b and 140c are formed, the moisture permeable path of the outside air can be formed longer.

<Thirteenth Embodiment>

20 is a schematic cross-sectional view of an organic light emitting display device according to a thirteenth embodiment.

As shown in FIG. 20, the organic light emitting display device according to the thirteenth embodiment of the present invention includes two first partition walls 170a formed of at least one material included in a color filter part formed on the second substrate 150. 170b). In addition, the first substrate 110 may include three second partition walls 140a, 140b, and 140c, which are separated from the two first partition walls 170a and 170b and are formed of at least one of materials included in the unit element portion. Can be. Here, the first substrate 110 and the second substrate 150 may use two first partition walls 170a and 107b and three second partition walls 140a, 140b and 140c as spacers without using an adhesive member. May be vacuum bonded.

As such, when a plurality of first barrier ribs 170a and 170b and a plurality of second barrier ribs 140a, 140b and 140c are formed, the moisture permeable path of the outside air can be formed longer.

Fourteenth Example

21 and 22 are schematic cross-sectional views of an organic light emitting display device according to a fourteenth embodiment. 21 is a sectional view before bonding and FIG. 22 is a sectional view after bonding.

As shown in FIGS. 21 and 22, the organic light emitting display device according to the fourteenth embodiment of the present invention includes three first partition walls formed of at least one of materials included in the color filter part formed on the second substrate 150. (170a, 170b, 170c). In addition, the first substrate 110 may include two second partition walls 140a and 140b which are separated from the three first partition walls 170a, 170b and 170c and are formed of at least one of materials included in the unit element. Can be. Here, the first substrate 110 and the second substrate 150 may be bonded by the adhesive member 190 formed inside the three first partition walls 170a, 170b, 170c.

As such, when a plurality of first barrier ribs 170a, 170b and 170c and a plurality of second barrier ribs 140a and 140b are formed, the moisture permeable path of the outside air can be formed longer.

<Fifteenth Embodiment>

23 is a schematic cross-sectional view of an organic light emitting display device according to a fifteenth embodiment of the present invention.

As shown in FIG. 23, the organic light emitting display device according to the fifteenth embodiment of the present invention includes three first partition walls 170a formed of at least one material included in a color filter part formed on the second substrate 150. 170b, 170c). In addition, the first substrate 110 may include two second partition walls 140a and 140b which are separated from the three first partition walls 170a, 170b and 170c and are formed of at least one of materials included in the unit element. Can be. Here, the first substrate 110 and the second substrate 150 use three first partition walls 170a, 107b, 170c and two second partition walls 140a, 140b as spacers without using an adhesive member. By vacuum bonding.

As such, when a plurality of first barrier ribs 170a, 170b and 170c and a plurality of second barrier ribs 140a and 140b are formed, the moisture permeable path of the outside air can be formed longer.

Hereinafter, unlike the first to fifteenth embodiments, the color filter unit is positioned on the first substrate as an example.

<Example 16>

24 is a schematic cross-sectional view of an organic light emitting display device according to a sixteenth embodiment of the present invention.

As shown in FIG. 24, in the organic light emitting display device according to the sixteenth exemplary embodiment, the color filter unit 160 is positioned on the first substrate 110, and the unit device unit is disposed on the color filter unit 160. 130 is located.

The first partition wall 170 positioned on the first substrate 110 may be formed of at least one of materials included in the color filter unit 160. The first partition wall 170 is formed of at least one of materials included in the color filter unit 160. The first layer 171 included in the first partition wall 170 may be formed of the same material as the black matrix 161. In addition, in the case of the second layer 172 to the fourth layer 174 included in the first partition wall 170, the same material as the red, green, and blue conversion layers included in the color conversion layer 162 may be formed. . The fifth layer 175 included in the first partition wall 170 may be formed of the same material as the overcoat layer 163.

The second partition wall 140 disposed on the first substrate 110 may be formed of at least one of materials included in the unit device unit 130. The second partition wall 140 is formed of at least one of materials included in the unit device unit 130. The first layer 141 included in the second partition wall 140 may be formed of the same material as the gate 112 illustrated in FIG. 2. In addition, the second layer 142 included in the second partition wall 140 may be formed of the same material as the source 115a and the drain 115b of FIG. 2. In addition, the third layer 143 included in the second partition wall 140 may be formed of the same material as the first electrode 119 or the second electrode 123 illustrated in FIG. 2. However, in contrast, at least one of the layers 141, 142, and 143 included in the second partition wall 140 may have the first insulating layer 113, the second insulating layer 116, or the third insulating layer 117 shown in FIG. 2. It may be formed of the same material as.

At least one of the first and second partition walls 170 and 140 may be formed to surround the unit element unit 130 in a form of opening a portion of the unit element unit 130, or may include all of the unit element units 130. It may be formed to surround.

Here, the first substrate 110 and the second substrate 150 may be bonded by the adhesive member 190 formed on the outer side of the first partition wall 170.

As such, since the first and second partition walls 170 and 140 are formed during the color filter unit 160 and the unit element unit 130, the first and second partition walls 170 and 140 may be disposed at positions of the color filter unit 160 and the unit element unit 130. Accordingly, the first substrate 110 or the second substrate 150 may be located.

<Example 17>

25 is a schematic cross-sectional view of an organic light emitting display device according to a seventeenth embodiment of the present invention.

As shown in FIG. 25, in the organic light emitting display device according to the seventeenth exemplary embodiment, the color filter unit 160 is positioned on the first substrate 110 and the buffer layer 165 is disposed on the color filter unit 160. ) Is positioned, and the unit element 130 is located on the buffer layer 165. The buffer layer 165 may be made of a material capable of improving flatness.

The first partition wall 170 positioned on the first substrate 110 may be formed of at least one of materials included in the color filter unit 160. The first partition wall 170 is formed of at least one of materials included in the color filter unit 160. The first layer 171 included in the first partition wall 170 may be formed of the same material as the black matrix 161. In addition, in the case of the second layer 172 to the fourth layer 174 included in the first partition wall 170, the same material as the red, green, and blue conversion layers included in the color conversion layer 162 may be formed. . The fifth layer 175 included in the first partition wall 170 may be formed of the same material as the overcoat layer 163.

The second partition wall 140 disposed on the first substrate 110 may be formed of at least one of materials included in the unit device unit 130. The second partition wall 140 is formed of at least one of materials included in the unit device unit 130. The first layer 141 included in the second partition wall 140 may be formed of the same material as the gate 112 illustrated in FIG. 2. In addition, the second layer 142 included in the second partition wall 140 may be formed of the same material as the source 115a and the drain 115b of FIG. 2. In addition, the third layer 143 included in the second partition wall 140 may be formed of the same material as the first electrode 119 or the second electrode 123 illustrated in FIG. 2. However, in contrast, at least one of the layers 141, 142, and 143 included in the second partition wall 140 may have the first insulating layer 113, the second insulating layer 116, or the third insulating layer 117 shown in FIG. 2. It may be formed of the same material as.

At least one of the first and second partition walls 170 and 140 may be formed to surround the unit element unit 130 in a form of opening a portion of the unit element unit 130, or may include all of the unit element units 130. It may be formed to surround.

Here, the first substrate 110 and the second substrate 150 may be bonded by the adhesive member 190 formed on the outer side of the first partition wall 170.

As such, since the first and second partition walls 170 and 140 are formed during the color filter unit 160 and the unit element unit 130, the first and second partition walls 170 and 140 may be disposed at positions of the color filter unit 160 and the unit element unit 130. Accordingly, the first substrate 110 or the second substrate 150 may be located.

The partition wall applied to the first to seventeenth embodiments of the present invention described above may serve to block moisture penetration by lengthening the penetration path of moisture in the encapsulation process of the organic light emitting display device. In addition, the partition wall may serve as a spacer for maintaining a gap between the first substrate and the second substrate. In addition, the partition wall may be located not only on the periphery of the unit element portion but also in a partial region of the unit element, and may serve as a spacer. Meanwhile, the width of the partition wall may be formed to be about 1 μm to 1000 μm, but the width of the partition wall may vary depending on the moisture permeability of the adhesive member.

One embodiment of the present invention is to block the penetration path to at least one of the materials used in the manufacture of the substrate to protect the device from moisture or gas infiltrated from the outside and to form a partition wall that can absorb the moisture absorption function and life and There is an effect to provide an organic light emitting display device that can improve the reliability.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the technical configuration of the present invention described above may be modified in other specific forms by those skilled in the art to which the present invention pertains without changing its technical spirit or essential features. It will be appreciated that it may be practiced. Therefore, the embodiments described above are to be understood as illustrative and not restrictive in all aspects. In addition, the scope of the present invention is shown by the claims below, rather than the above detailed description. Also, it is to be construed that all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts are included in the scope of the present invention.

1 is a schematic cross-sectional view of an organic light emitting display device according to a first embodiment of the present invention.

FIG. 2 is an exemplary diagram of a subpixel illustrated in region P of FIG. 1. FIG.

3 is an exemplary view of an organic light emitting diode.

4 illustrates another example of an organic light emitting diode.

5 is a schematic cross-sectional view of an organic light emitting display device according to a second embodiment of the present invention;

6 is a schematic cross-sectional view of an organic light emitting display device according to a third embodiment of the present invention;

7 is a schematic cross-sectional view of an organic light emitting display device according to a fourth embodiment of the present invention.

8 is a schematic cross-sectional view of an organic light emitting display device according to a fifth embodiment of the present invention;

9 is a schematic cross-sectional view of an organic light emitting display device according to a sixth embodiment of the present invention;

10 and 11 are schematic cross-sectional views of an organic light emitting display device according to a seventh embodiment of the present invention;

12 and 13 are schematic cross-sectional views of an organic light emitting display device according to an eighth embodiment of the present invention;

14 is a schematic cross-sectional view of an organic light emitting display device according to a ninth embodiment of the present invention;

15 and 16 are schematic cross-sectional views of an organic light emitting display device according to a tenth embodiment of the present invention;

17 is a schematic cross-sectional view of an organic light emitting display device according to an eleventh embodiment of the present invention.

18 and 19 are schematic cross-sectional views of an organic light emitting display device according to a twelfth embodiment of the present invention;

20 is a schematic cross-sectional view of an organic light emitting display device according to a thirteenth embodiment;

21 and 22 are schematic cross-sectional views of an organic light emitting display device according to a fourteenth embodiment;

FIG. 23 is a schematic cross-sectional view of an organic light emitting display device according to a fifteenth embodiment;

24 is a schematic cross-sectional view of an organic light emitting display device according to a sixteenth embodiment of the present invention;

25 is a schematic cross-sectional view of an organic light emitting display device according to a seventeenth embodiment of the present invention;

<Explanation of symbols on main parts of the drawings>

110: first substrate 130: unit element

140: second partition 150: second substrate

160: color filter unit 170: the first partition wall

Claims (10)

A first substrate; A second substrate bonded to the first substrate; A unit device unit positioned on the first substrate; A color filter unit on the first substrate or the second substrate; And An organic light emitting display device positioned on an outer side of the unit element part and including a first partition wall formed of at least one of materials included in the color filter part. The method of claim 1, The color filter unit, And a color conversion layer having the same color as the light emitted from the unit device portion or a color conversion layer having a color different from the color of the light emitted from the unit device portion. The method of claim 1, The color filter unit, An organic light emitting display device comprising a black matrix, a color conversion layer including red, green, and blue located between the black matrix, and an overcoat layer disposed on the black matrix and the color conversion layer. The method of claim 1, On the color filter unit and the first partition wall, An organic light emitting display device comprising a dummy thin film layer formed of at least one of an organic film and an inorganic film. The method of claim 1, On the first substrate, An organic light emitting display device, comprising: a second partition wall positioned separately from the first partition wall, the second partition wall being formed of at least one of materials included in the unit element portion. The method of claim 5, At least one of the first partition and the second partition, And an organic light emitting display device surrounding the unit device unit. The method of claim 5, At least one of the first partition and the second partition, An organic light emitting display device, characterized in that formed in plurality. The method of claim 1, The unit device unit, It includes a plurality of sub-pixels arranged in a matrix form, And the plurality of subpixels emit white or three or more colors including red, green, and blue. The method of claim 1, The plurality of subpixels, An organic light emitting display device comprising: a stack structure in which two or more light emitting layers are stacked to emit white light. The method of claim 1, When the color filter unit is located on the first substrate, And the unit element part is disposed on a buffer layer on the color filter part.

Images